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Alenkasestr [34]
2 years ago
12

The attendance at a seminar in year 1 was 500. In year 2, the attendance changed by 100. What was the percent change in attendan

ce
Mathematics
1 answer:
Citrus2011 [14]2 years ago
3 0

Answer:

20%

Step-by-step explanation:

to figure this out yourself you could simply do 100/500 = 0.2 which translates to 20%

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Given that
timofeeve [1]

Answer:

4.

Step-by-step explanation:

(sec α - tan α)(sec α + tan α) = sec^2 α - tan^2α

But sec^2  α = 1 + tan^2 α so

sec^2 α - tan^2α  = 1 + tan^2 α - tan^2α

= 1

so 1 =  (sec α - tan α)(sec α + tan α) = 1/4 * x     where x  is sec α + tan α

1/4 * x = 1

x = 4.

6 0
3 years ago
Help Asap plz!!!! Thx Give 2<br>0 points
Arisa [49]

Answer:

(1,2) is a solution to both equations

Step-by-step explanation:

To determine if (1,2) is a solution to both equations, substitute into the equation and see if it is true

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3 years ago
The data were collected from a statistics class. The column head gives the​ variable, and each of the other rows represents a st
Basile [38]

Answer:

Gender is a categorical variable. The sum gives the total number of students in class.

Step-by-step explanation:

We are given the following in the question:

The variable​ Male, is​ categorical, even though its values are numbers.​

Categorical variable:

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Thus, gender is a categorical variable. Numbers are only used to represent the data.

Numbers are just a representation.

The sum of these represent the total male and female students in class. Thus, the sum gives the total number of students in class.

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3 years ago
Solve for the variable: -11t + 23 = 56
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Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation : 

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3 years ago
Eleven less than three times a number
Ber [7]
The answer to this question could be 44
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3 years ago
Read 2 more answers
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